Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. Therefore, this is the layer that farmers want to protect for growing their crops and ranchers want to protect for growing grasses for their cattle to graze on.
Answer;
D. polynucleotide
Explanation;
DNA is found in nearly all living cells. However, its exact location within a cell depends on whether that cell possesses a special membrane-bound organelle called a nucleus.
Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules. It is simply the order in which these smaller molecules are arranged that differs among individuals. In turn, this pattern of arrangement ultimately determines each organism's unique characteristics.
At the most basic level, all DNA is composed of a series of smaller molecules called nucleotides.
Answer:
B.Mutualism
Explanation: both animals will gain something in this relationship
B.) Angioplasty
An angioplasty is when the blood vessel can be widened by a balloon that is blown up in the blood vessel and sometimes a stent is put in place to keep it open.
<span>They are classified as plants, animals, fungi, and protists. </span>
